/**
 * Stone Tea Tray Authority Page
 * V2.1.1 — Visual Reset (unified grid + editorial layouts)
 * Scope: body.page-stone-tea-tray only
 * Content / Schema / FAQ frozen — layout only
 */

body.page-stone-tea-tray {
  /* —— Unique horizontal grid —— */
  --stt-page: 82.5rem;       /* ~1320px */
  --stt-editorial: 70rem;    /* ~1120px */
  --stt-immersive: 80rem;    /* ~1280px */
  --stt-reading: 39rem;      /* ~624px */
  --stt-statement: 48rem;    /* ~768px */
  --stt-gutter: clamp(1.25rem, 3.5vw, 2.5rem);

  --stt-display: clamp(2.5rem, 5.5vw, 3.5rem);
  --stt-statement-size: clamp(1.75rem, 3.6vw, 2.65rem);
  --stt-h2: clamp(1.35rem, 2.4vw, 1.85rem);
  --stt-lead: 1.0625rem;
  --stt-body: 0.9375rem;     /* ~15px */
  --stt-meta: 0.6875rem;
  --stt-evidence: 0.6875rem;

  --stt-y-chapter: clamp(3.25rem, 7vw, 5.5rem);
  --stt-y-block: clamp(1.75rem, 3.5vw, 2.75rem);
  --stt-y-statement: clamp(2.5rem, 5vw, 4rem);
  --stt-y-index: clamp(2rem, 4vw, 3rem);

  --stt-slot-bg: #e6e1d9;
  --stt-slot-ink: #2a2826;
}

/* —— Shell: shared left edge —— */
body.page-stone-tea-tray .stt-shell {
  width: 100%;
  max-width: calc(var(--stt-editorial) + 2 * var(--stt-gutter));
  margin-inline: auto;
  padding-inline: var(--stt-gutter);
  box-sizing: border-box;
}

body.page-stone-tea-tray .stt-shell--page {
  max-width: calc(var(--stt-page) + 2 * var(--stt-gutter));
}

body.page-stone-tea-tray .stt-shell--immersive {
  max-width: calc(var(--stt-immersive) + 2 * var(--stt-gutter));
}

body.page-stone-tea-tray .stt-reading {
  max-width: var(--stt-reading);
}

body.page-stone-tea-tray .stt-statement-block {
  max-width: var(--stt-statement);
  padding-block: var(--stt-y-statement);
}

body.page-stone-tea-tray .stt-statement-block--tight {
  padding-block: clamp(1.5rem, 3vw, 2.5rem);
}

/* Header: MASTER NAVIGATION via site-nav.css — do not restyle .site-header here */

body.page-stone-tea-tray .site-main { padding-bottom: 0; }

body.page-stone-tea-tray .stt-breadcrumb {
  margin: 0 auto;
  padding: var(--space-md) var(--stt-gutter) 0;
  max-width: calc(var(--stt-editorial) + 2 * var(--stt-gutter));
  box-sizing: border-box;
}

body.page-stone-tea-tray .stt-breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.6rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: var(--stt-meta);
  color: var(--color-text-muted);
}

body.page-stone-tea-tray .stt-breadcrumb a {
  color: var(--color-text-muted);
  text-decoration: none;
}

body.page-stone-tea-tray .stt-breadcrumb a:hover {
  color: var(--color-accent-metal);
}

/* —— Type —— */
body.page-stone-tea-tray .stt-eyebrow {
  margin: 0 0 0.65rem;
  max-width: none;
  color: var(--color-text-muted);
  font-family: var(--font-en);
  font-size: var(--stt-meta);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  line-height: 1.4;
}

body.page-stone-tea-tray .stt-display {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--stt-display);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: 0.04em;
}

body.page-stone-tea-tray .stt-en {
  margin: 0.35rem 0 0;
  max-width: none;
  color: var(--color-text-muted);
  font-family: var(--font-en);
  font-size: var(--stt-meta);
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

body.page-stone-tea-tray .stt-statement {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--stt-statement-size);
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: 0.04em;
}

body.page-stone-tea-tray .stt-h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--stt-h2);
  font-weight: 500;
  line-height: 1.3;
  letter-spacing: 0.03em;
}

body.page-stone-tea-tray .stt-h2--index {
  font-size: 1rem;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  font-weight: 400;
}

body.page-stone-tea-tray .stt-h3 {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(1.0625rem, 1.8vw, 1.25rem);
  font-weight: 500;
  letter-spacing: 0.03em;
}

body.page-stone-tea-tray .stt-lead {
  margin: 0;
  max-width: var(--stt-reading);
  font-family: var(--font-body);
  font-size: var(--stt-lead);
  line-height: 1.75;
  color: var(--color-text-muted);
}

body.page-stone-tea-tray .stt-body,
body.page-stone-tea-tray .stt-prose p {
  margin: 0 0 0.85em;
  max-width: var(--stt-reading);
  font-family: var(--font-body);
  font-size: var(--stt-body);
  line-height: 1.8;
  color: var(--color-text);
}

body.page-stone-tea-tray .stt-prose p:last-child { margin-bottom: 0; }

body.page-stone-tea-tray .stt-prose--secondary p,
body.page-stone-tea-tray .stt-prose--secondary {
  color: var(--color-text-muted);
  font-size: 0.875rem;
  line-height: 1.7;
}

body.page-stone-tea-tray .stt-prose--secondary p {
  max-width: var(--stt-reading);
}

body.page-stone-tea-tray .stt-note {
  margin: 0.75rem 0 0;
  max-width: var(--stt-reading);
  color: var(--color-text-muted);
  font-size: 0.75rem;
  line-height: 1.55;
}

body.page-stone-tea-tray .stt-meta-label {
  margin: 0 0 0.4rem;
  max-width: none;
  color: var(--color-text-muted);
  font-family: var(--font-en);
  font-size: var(--stt-meta);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

body.page-stone-tea-tray .stt-callout {
  margin: 0;
  max-width: var(--stt-statement);
  font-family: var(--font-display);
  font-size: clamp(1.125rem, 2vw, 1.375rem);
  line-height: 1.4;
  letter-spacing: 0.03em;
}

body.page-stone-tea-tray .stt-callout--sm {
  font-size: clamp(1rem, 1.6vw, 1.2rem);
}

body.page-stone-tea-tray .stt-callout--quiet {
  margin-top: var(--space-md);
  color: var(--color-text-muted);
  font-size: 1rem;
  font-weight: 400;
}

body.page-stone-tea-tray .stt-action {
  margin: var(--space-md) 0 0;
  max-width: none;
}

body.page-stone-tea-tray .stt-action a {
  font-family: var(--font-en);
  font-size: var(--stt-meta);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 0.12em;
  color: var(--color-text);
}

body.page-stone-tea-tray .stt-action a:hover {
  color: var(--color-accent-metal);
  border-color: var(--color-accent-metal);
}

body.page-stone-tea-tray .stt-title-en {
  font-family: var(--font-en);
  letter-spacing: 0.12em;
  font-weight: 400;
  font-size: 0.75em;
  color: var(--color-text-muted);
}

/* —— Chapters —— */
body.page-stone-tea-tray .stt-chapter {
  padding-block: var(--stt-y-chapter);
  border-top: 1px solid var(--color-border);
}

body.page-stone-tea-tray .stt-chapter--definition {
  border-top: 0;
  padding-top: clamp(2rem, 5vh, 3.25rem);
}

body.page-stone-tea-tray .stt-chapter-head {
  margin-bottom: var(--stt-y-block);
}

body.page-stone-tea-tray .stt-chapter-head .stt-h2 {
  margin-top: 0;
}

body.page-stone-tea-tray .stt-chapter-head + .stt-statement-block {
  padding-top: 0;
}

/* —— Media —— */
body.page-stone-tea-tray .stt-media {
  position: relative;
  margin: 0;
  display: block;
  background: var(--stt-slot-bg);
}

body.page-stone-tea-tray .stt-media-slot {
  display: flex;
  align-items: flex-end;
  box-sizing: border-box;
  width: 100%;
  min-height: 11rem;
  padding: clamp(0.9rem, 2vw, 1.4rem);
  border: 1px solid var(--color-border);
  background: var(--stt-slot-bg);
}

body.page-stone-tea-tray .stt-media--hero .stt-media-slot,
body.page-stone-tea-tray .stt-media--space .stt-media-slot {
  aspect-ratio: 16 / 9;
  background: var(--stt-slot-ink);
  border-color: transparent;
  color: #efeae3;
}

body.page-stone-tea-tray .stt-media--portrait .stt-media-slot { aspect-ratio: 4 / 5; }
body.page-stone-tea-tray .stt-media--landscape .stt-media-slot { aspect-ratio: 3 / 2; }
body.page-stone-tea-tray .stt-media--square .stt-media-slot { aspect-ratio: 1 / 1; }
body.page-stone-tea-tray .stt-media--feature .stt-media-slot { aspect-ratio: 16 / 10; min-height: 18rem; }

body.page-stone-tea-tray .stt-media-slot__meta {
  display: grid;
  gap: 0.28rem;
  max-width: 34rem;
}

body.page-stone-tea-tray .stt-media-slot__id,
body.page-stone-tea-tray .stt-media-slot__type,
body.page-stone-tea-tray .stt-media-slot__ratio,
body.page-stone-tea-tray .stt-media-slot__size,
body.page-stone-tea-tray .stt-media-slot__label {
  font-family: var(--font-en);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  line-height: 1.35;
  opacity: 0.75;
}

body.page-stone-tea-tray .stt-media-slot__id {
  opacity: 1;
  font-weight: 600;
}

body.page-stone-tea-tray .stt-media-slot__direction {
  margin-top: 0.4rem;
  font-family: var(--font-body);
  font-size: 0.8125rem;
  line-height: 1.5;
  letter-spacing: 0.02em;
  text-transform: none;
  opacity: 0.9;
}

body.page-stone-tea-tray .stt-media--hero .stt-media-slot__id,
body.page-stone-tea-tray .stt-media--hero .stt-media-slot__type,
body.page-stone-tea-tray .stt-media--hero .stt-media-slot__ratio,
body.page-stone-tea-tray .stt-media--hero .stt-media-slot__size,
body.page-stone-tea-tray .stt-media--hero .stt-media-slot__label,
body.page-stone-tea-tray .stt-media--hero .stt-media-slot__direction,
body.page-stone-tea-tray .stt-media--space .stt-media-slot__id,
body.page-stone-tea-tray .stt-media--space .stt-media-slot__type,
body.page-stone-tea-tray .stt-media--space .stt-media-slot__ratio,
body.page-stone-tea-tray .stt-media--space .stt-media-slot__size,
body.page-stone-tea-tray .stt-media--space .stt-media-slot__label,
body.page-stone-tea-tray .stt-media--space .stt-media-slot__direction {
  color: #efeae3;
}

body.page-stone-tea-tray .stt-media > img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

body.page-stone-tea-tray .stt-media:has(> img) .stt-media-slot { display: none; }
body.page-stone-tea-tray .stt-media:has(> img) {
  overflow: clip;
  background: transparent;
}

body.page-stone-tea-tray .stt-media--hero:has(> img),
body.page-stone-tea-tray .stt-media--space:has(> img) { aspect-ratio: 16 / 9; }
body.page-stone-tea-tray .stt-media--portrait:has(> img) { aspect-ratio: 4 / 5; }
body.page-stone-tea-tray .stt-media--landscape:has(> img) { aspect-ratio: 3 / 2; }
body.page-stone-tea-tray .stt-media--square:has(> img) { aspect-ratio: 1 / 1; }
body.page-stone-tea-tray .stt-media--feature:has(> img) { aspect-ratio: 16 / 10; }

body.page-stone-tea-tray .stt-media-gap {
  margin-top: var(--stt-y-block);
  margin-bottom: var(--stt-y-block);
}

/* —— Editorial split (C) —— */
body.page-stone-tea-tray .stt-editorial {
  display: grid;
  gap: clamp(1.5rem, 3vw, 2.75rem);
  align-items: start;
}

@media (min-width: 56rem) {
  body.page-stone-tea-tray .stt-editorial--text-image {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.35fr);
    align-items: end;
  }

  body.page-stone-tea-tray .stt-editorial--image-text {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.9fr);
    align-items: start;
  }

  body.page-stone-tea-tray .stt-editorial--def {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: end;
  }
}

/* —— Material nature: supporting only —— */
body.page-stone-tea-tray .stt-nature {
  margin-top: var(--stt-y-block);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
  display: grid;
  gap: 0.85rem 1.5rem;
}

@media (min-width: 48rem) {
  body.page-stone-tea-tray .stt-nature {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

body.page-stone-tea-tray .stt-nature article {
  margin: 0;
}

body.page-stone-tea-tray .stt-nature h3 {
  margin: 0 0 0.35rem;
  font-family: var(--font-en);
  font-size: var(--stt-meta);
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

body.page-stone-tea-tray .stt-nature p {
  margin: 0;
  max-width: none;
  color: var(--color-text-muted);
  font-size: 0.8125rem;
  line-height: 1.6;
}

/* —— Matrix / choose —— */
body.page-stone-tea-tray .stt-matrix {
  list-style: none;
  margin: var(--stt-y-block) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--color-border);
}

@media (min-width: 40rem) {
  body.page-stone-tea-tray .stt-matrix {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 64rem) {
  body.page-stone-tea-tray .stt-matrix {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

body.page-stone-tea-tray .stt-matrix li {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin: 0;
  padding: 0.85rem 1rem 0.85rem 0;
  border-bottom: 1px solid var(--color-border);
}

body.page-stone-tea-tray .stt-matrix span {
  font-family: var(--font-en);
  font-size: var(--stt-meta);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

body.page-stone-tea-tray .stt-matrix strong {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 500;
  letter-spacing: 0.04em;
}

body.page-stone-tea-tray .stt-choose {
  margin: 0;
  padding: 0;
  list-style: none;
}

body.page-stone-tea-tray .stt-choose > li {
  display: grid;
  gap: 0.25rem 1.25rem;
  padding-block: 0.6rem;
  border-top: 1px solid var(--color-border);
}

@media (min-width: 40rem) {
  body.page-stone-tea-tray .stt-choose > li {
    grid-template-columns: 2.75rem minmax(0, 1fr);
    align-items: baseline;
  }
}

body.page-stone-tea-tray .stt-choose > li:last-child {
  border-bottom: 1px solid var(--color-border);
}

body.page-stone-tea-tray .stt-choose__num {
  font-family: var(--font-en);
  font-size: var(--stt-meta);
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
}

body.page-stone-tea-tray .stt-choose h4 {
  margin: 0 0 0.15rem;
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: 0.02em;
}

body.page-stone-tea-tray .stt-choose p {
  margin: 0;
  max-width: 36rem;
  color: var(--color-text-muted);
  font-size: 0.875rem;
  line-height: 1.55;
}

body.page-stone-tea-tray .stt-subblock {
  margin-top: var(--stt-y-block);
}

body.page-stone-tea-tray .stt-subblock .stt-h3 {
  margin-bottom: var(--space-sm);
}

/* —— Aside —— */
body.page-stone-tea-tray .stt-aside {
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
  max-width: var(--stt-reading);
}

body.page-stone-tea-tray .stt-aside p {
  margin: 0 0 0.55em;
  max-width: none;
  color: var(--color-text-muted);
  font-size: 0.875rem;
  line-height: 1.65;
}

body.page-stone-tea-tray .stt-aside p:last-child { margin-bottom: 0; }

body.page-stone-tea-tray .stt-aside--footnote {
  margin-top: var(--space-md);
  padding-top: var(--space-sm);
  max-width: var(--stt-editorial);
}

body.page-stone-tea-tray .stt-aside--footnote p {
  font-size: 0.8125rem;
  line-height: 1.55;
}

/* —— Design: metrics + surface —— */
body.page-stone-tea-tray .stt-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem 2.5rem;
  margin: 0 0 var(--stt-y-block);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

body.page-stone-tea-tray .stt-metrics__item {
  margin: 0;
}

body.page-stone-tea-tray .stt-metrics__num {
  display: block;
  font-family: var(--font-en);
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  letter-spacing: 0.04em;
  line-height: 1.1;
}

body.page-stone-tea-tray .stt-metrics__label {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  line-height: 1.45;
}

body.page-stone-tea-tray .stt-surface {
  display: grid;
  gap: clamp(2rem, 4vw, 3.5rem);
  margin-top: var(--stt-y-block);
}

@media (min-width: 56rem) {
  body.page-stone-tea-tray .stt-surface--asymmetric {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.25fr);
    align-items: start;
  }

  body.page-stone-tea-tray .stt-surface--asymmetric .stt-surface__mirror .stt-media {
    max-width: 18rem;
  }

  body.page-stone-tea-tray .stt-surface--asymmetric .stt-surface__liuguang .stt-media {
    margin-top: var(--space-md);
  }
}

body.page-stone-tea-tray .stt-surface h3 {
  margin: 0 0 0.65rem;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.2vw, 1.625rem);
  font-weight: 500;
  line-height: 1.35;
}

body.page-stone-tea-tray .stt-surface .stt-body {
  margin-bottom: var(--space-md);
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

body.page-stone-tea-tray .stt-philosophy {
  margin-top: clamp(3rem, 6vw, 5rem);
  padding-top: clamp(2rem, 4vw, 3rem);
  border-top: 1px solid var(--color-border);
}

body.page-stone-tea-tray .stt-philosophy .stt-statement {
  max-width: var(--stt-statement);
}

body.page-stone-tea-tray .stt-philosophy .stt-lead {
  margin-top: var(--space-md);
  max-width: 32rem;
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  line-height: 1.75;
  font-weight: 400;
}

/* V2.2.1: tertiary philosophy line — clearly below primary statement */
body.page-stone-tea-tray .stt-philosophy .stt-callout--quiet {
  margin-top: clamp(1.25rem, 2.5vw, 1.75rem);
  max-width: 34rem;
  color: var(--color-text-muted);
  font-size: 0.875rem;
  font-weight: 400;
  letter-spacing: 0.02em;
  line-height: 1.65;
  opacity: 0.9;
}

/* —— V2.2 Documentation layer (editorial footnote, not FAQ widget) —— */
body.page-stone-tea-tray .stt-doc {
  margin: var(--space-md) 0 0;
  max-width: var(--stt-reading);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

body.page-stone-tea-tray .stt-doc + .stt-doc {
  margin-top: 0;
  border-top: 0;
}

body.page-stone-tea-tray .stt-doc__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  cursor: pointer;
  list-style: none;
  padding: 0.7rem 0;
  font-family: var(--font-body);
  font-size: 0.8125rem;
  line-height: 1.45;
  letter-spacing: 0.02em;
  color: var(--color-text-muted);
  transition: color 0.15s ease;
}

body.page-stone-tea-tray .stt-doc__summary::-webkit-details-marker {
  display: none;
}

/* CSS chevron: closed ↓ / open ↑ — thin, quiet, expandable cue */
body.page-stone-tea-tray .stt-doc__summary::after {
  content: "";
  flex: 0 0 auto;
  width: 0.4rem;
  height: 0.4rem;
  margin-top: -0.15rem;
  border-right: 1px solid currentColor;
  border-bottom: 1px solid currentColor;
  transform: rotate(45deg);
  opacity: 0.55;
  transition: transform 0.15s ease, opacity 0.15s ease;
}

body.page-stone-tea-tray .stt-doc__summary:hover {
  color: var(--color-text);
}

body.page-stone-tea-tray .stt-doc__summary:hover::after {
  opacity: 0.85;
}

body.page-stone-tea-tray .stt-doc__summary:focus {
  outline: none;
}

body.page-stone-tea-tray .stt-doc__summary:focus-visible {
  color: var(--color-text);
  outline: 1px solid var(--color-border);
  outline-offset: 0.25rem;
}

body.page-stone-tea-tray .stt-doc[open] > .stt-doc__summary {
  color: var(--color-text);
}

body.page-stone-tea-tray .stt-doc[open] > .stt-doc__summary::after {
  margin-top: 0.15rem;
  transform: rotate(-135deg);
  opacity: 0.7;
}

body.page-stone-tea-tray .stt-doc__content {
  padding: 0 0 0.95rem;
}

body.page-stone-tea-tray .stt-doc__content p,
body.page-stone-tea-tray .stt-doc__content li {
  margin: 0 0 0.65em;
  max-width: none;
  color: var(--color-text-muted);
  font-size: 0.8125rem;
  line-height: 1.7;
}

body.page-stone-tea-tray .stt-doc__content p:last-child,
body.page-stone-tea-tray .stt-doc__content li:last-child {
  margin-bottom: 0;
}

body.page-stone-tea-tray .stt-doc__content h4 {
  margin: 0.85rem 0 0.35rem;
  font-family: var(--font-en);
  font-size: 0.6875rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

body.page-stone-tea-tray .stt-doc__content h4:first-child {
  margin-top: 0;
}

body.page-stone-tea-tray .stt-doc__meta {
  margin: 0.75rem 0 0;
  font-size: 0.6875rem;
  line-height: 1.55;
  letter-spacing: 0.02em;
  color: var(--color-text-muted);
  opacity: 0.85;
}

body.page-stone-tea-tray .stt-support {
  margin: var(--space-sm) 0 0;
  max-width: var(--stt-reading);
  color: var(--color-text-muted);
  font-size: 0.8125rem;
  line-height: 1.7;
}

body.page-stone-tea-tray .stt-keywords {
  margin: 0.65rem 0 0;
  max-width: var(--stt-reading);
  color: var(--color-text-muted);
  font-size: 0.8125rem;
  line-height: 1.65;
  letter-spacing: 0.02em;
}

body.page-stone-tea-tray .stt-matrix--lite {
  margin-top: var(--space-md);
}

body.page-stone-tea-tray .stt-matrix--lite li {
  padding: 0.55rem 0.75rem 0.55rem 0;
}

body.page-stone-tea-tray .stt-matrix--lite strong {
  font-size: 0.9375rem;
}

body.page-stone-tea-tray .stt-choose--index > li {
  padding-block: 0.45rem;
}

body.page-stone-tea-tray .stt-choose--index h4 {
  margin: 0;
  font-size: 0.875rem;
}

body.page-stone-tea-tray--v22 .stt-chapter {
  padding-block: clamp(2.75rem, 6vw, 4.75rem);
}

body.page-stone-tea-tray .stt-docs-stack {
  margin-top: var(--space-md);
  max-width: var(--stt-reading);
}

body.page-stone-tea-tray .stt-statement--act {
  font-size: clamp(1.25rem, 2.2vw, 1.625rem);
  line-height: 1.35;
  max-width: var(--stt-statement);
}

/* —— V2.2.1 Freeze Candidate: typography / rhythm micro-audit —— */
body.page-stone-tea-tray--v221 .stt-chapter--definition .stt-lead {
  margin-top: 0;
  max-width: var(--stt-reading);
  color: var(--color-text-muted);
  font-size: var(--stt-body);
  line-height: 1.8;
  font-weight: 400;
}

body.page-stone-tea-tray--v221 .stt-chapter--definition .stt-prose strong {
  font-weight: 500;
  letter-spacing: 0.01em;
}

body.page-stone-tea-tray--v221 .stt-statement-block + .stt-reading,
body.page-stone-tea-tray--v221 .stt-statement-block + .stt-prose,
body.page-stone-tea-tray--v221 .stt-statement-block + .stt-lead {
  margin-top: 0;
}

body.page-stone-tea-tray--v221 .stt-chapter--material .stt-statement-block {
  padding-block: clamp(2.75rem, 5.5vw, 4.25rem);
}

body.page-stone-tea-tray--v221 .stt-chapter--design .stt-statement-block + .stt-surface,
body.page-stone-tea-tray--v221 .stt-chapter--design .stt-metrics {
  margin-top: 0;
}

body.page-stone-tea-tray--v221 .stt-chapter--contemporary .stt-lead {
  max-width: var(--stt-reading);
  color: var(--color-text);
  font-size: var(--stt-body);
  line-height: 1.8;
}

body.page-stone-tea-tray--v221 .stt-group .stt-statement-block {
  padding-top: clamp(0.75rem, 1.5vw, 1.25rem);
  padding-bottom: clamp(1rem, 2vw, 1.5rem);
}

body.page-stone-tea-tray--v221 .stt-docs-stack {
  margin-top: clamp(1rem, 2vw, 1.5rem);
}

/* —— Compare (contemporary) —— */
body.page-stone-tea-tray .stt-compare {
  display: grid;
  gap: var(--space-md);
  margin-top: var(--stt-y-block);
  max-width: var(--stt-editorial);
}

@media (min-width: 48rem) {
  body.page-stone-tea-tray .stt-compare {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
  }
}

body.page-stone-tea-tray .stt-compare__line {
  margin: 0;
  max-width: none;
  color: var(--color-text-muted);
  font-size: 0.875rem;
  line-height: 1.65;
}

/* —— Practice overview chain —— */
body.page-stone-tea-tray .stt-chain {
  list-style: none;
  margin: var(--space-md) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.15rem;
  align-items: baseline;
}

body.page-stone-tea-tray .stt-chain li {
  margin: 0;
  font-family: var(--font-en);
  font-size: 0.625rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  opacity: 0.85;
}

body.page-stone-tea-tray .stt-chain li:not(:last-child)::after {
  content: "→";
  margin-left: 0.35rem;
  opacity: 0.4;
}

/* —— Practice groups (not SOP) —— */
body.page-stone-tea-tray .stt-group {
  margin-top: clamp(2.5rem, 5vw, 4rem);
  padding-top: clamp(1.75rem, 3vw, 2.5rem);
  border-top: 1px solid var(--color-border);
}

body.page-stone-tea-tray .stt-group__label {
  margin: 0 0 var(--space-md);
  font-family: var(--font-en);
  font-size: var(--stt-meta);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

body.page-stone-tea-tray .stt-step {
  margin: 0 0 1.25rem;
}

body.page-stone-tea-tray .stt-step:last-child { margin-bottom: 0; }

body.page-stone-tea-tray .stt-step__index {
  margin: 0 0 0.35rem;
  font-family: var(--font-en);
  font-size: var(--stt-meta);
  letter-spacing: 0.14em;
  color: var(--color-text-muted);
}

body.page-stone-tea-tray .stt-step__title {
  margin: 0 0 0.55rem;
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  line-height: 1.35;
}

body.page-stone-tea-tray .stt-step__en {
  display: block;
  margin-bottom: 0.15rem;
  font-family: var(--font-en);
  font-size: 0.6875rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

body.page-stone-tea-tray .stt-step p {
  margin: 0 0 0.55em;
  max-width: 36rem;
  color: var(--color-text-muted);
  font-size: var(--stt-body);
  line-height: 1.75;
}

body.page-stone-tea-tray .stt-step p:last-child { margin-bottom: 0; }

body.page-stone-tea-tray .stt-step__fact {
  margin-top: 0.75rem !important;
  padding-top: 0.65rem;
  border-top: 1px solid var(--color-border);
  font-size: 0.8125rem !important;
  line-height: 1.6 !important;
}

body.page-stone-tea-tray .stt-step__flow {
  font-family: var(--font-en);
  font-size: 0.8125rem !important;
  letter-spacing: 0.04em;
  color: var(--color-text) !important;
}

body.page-stone-tea-tray .stt-axiom {
  margin: var(--space-lg) 0 0;
  max-width: var(--stt-statement);
  font-family: var(--font-display);
  font-size: clamp(1.125rem, 2vw, 1.375rem);
  line-height: 1.45;
  letter-spacing: 0.02em;
}

body.page-stone-tea-tray .stt-case h4 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 500;
}

body.page-stone-tea-tray .stt-case p {
  margin: 0.5rem 0 0;
  max-width: 32rem;
  color: var(--color-text-muted);
  font-size: 0.875rem;
  line-height: 1.65;
}

body.page-stone-tea-tray .stt-proof {
  display: grid;
  gap: clamp(1.5rem, 3vw, 2.5rem);
  margin-top: var(--stt-y-block);
}

@media (min-width: 56rem) {
  body.page-stone-tea-tray .stt-proof {
    grid-template-columns: minmax(0, 0.75fr) minmax(0, 1.25fr);
    align-items: end;
  }
}

/* —— FAQ / Docs —— */
body.page-stone-tea-tray .stt-index {
  padding-block: var(--stt-y-index);
  border-top: 1px solid var(--color-border);
}

body.page-stone-tea-tray .stt-faq {
  margin: var(--space-md) 0 0;
  max-width: var(--stt-reading);
}

body.page-stone-tea-tray .stt-faq details {
  border-top: 1px solid var(--color-border);
  padding-block: 0.65rem;
}

body.page-stone-tea-tray .stt-faq details:last-child {
  border-bottom: 1px solid var(--color-border);
}

body.page-stone-tea-tray .stt-faq summary {
  cursor: pointer;
  list-style: none;
  font-size: 0.875rem;
  line-height: 1.45;
  color: var(--color-text-muted);
}

body.page-stone-tea-tray .stt-faq summary::-webkit-details-marker { display: none; }

body.page-stone-tea-tray .stt-faq details[open] summary {
  margin-bottom: 0.4rem;
  color: var(--color-text);
}

body.page-stone-tea-tray .stt-faq .stt-faq__a {
  margin: 0;
  max-width: none;
  color: var(--color-text-muted);
  font-size: 0.8125rem;
  line-height: 1.6;
}

body.page-stone-tea-tray .stt-docs {
  padding-block: var(--stt-y-index);
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-subtle);
}

body.page-stone-tea-tray .stt-evidence-grid {
  display: grid;
  gap: 0.25rem 1.25rem;
  margin: var(--space-sm) 0 0;
  max-width: var(--stt-editorial);
}

@media (min-width: 48rem) {
  body.page-stone-tea-tray .stt-evidence-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

body.page-stone-tea-tray .stt-evidence-grid dt {
  margin: 0.5rem 0 0;
  font-size: var(--stt-evidence);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  font-family: var(--font-en);
}

body.page-stone-tea-tray .stt-evidence-grid dd {
  margin: 0.1rem 0 0;
  font-size: var(--stt-evidence);
  line-height: 1.5;
  color: var(--color-text-muted);
}

body.page-stone-tea-tray .stt-evidence-grid a {
  color: var(--color-text-muted);
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

body.page-stone-tea-tray .stt-evidence-grid a:hover {
  color: var(--color-accent-metal);
}

/* —— Footer —— */
body.page-stone-tea-tray .site-footer {
  padding: var(--space-xl) var(--stt-gutter) var(--space-xxl);
  border-top: 1px solid var(--color-border);
}

body.page-stone-tea-tray .site-footer .stt-footer {
  max-width: calc(var(--stt-editorial) + 2 * var(--stt-gutter));
  margin-inline: auto;
}

body.page-stone-tea-tray .site-footer p {
  margin: 0;
  max-width: none;
  color: var(--color-text-muted);
  font-size: var(--stt-meta);
}

body.page-stone-tea-tray .site-footer p:first-child {
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: var(--font-size-md);
  letter-spacing: 0.05em;
}

body.page-stone-tea-tray .stt-footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  margin-top: var(--space-lg);
}

body.page-stone-tea-tray .stt-footer-nav a {
  font-family: var(--font-en);
  font-size: var(--stt-meta);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--color-text-muted);
}

body.page-stone-tea-tray .stt-footer-nav a:hover {
  color: var(--color-accent-metal);
}

/* —— Spacing helpers (rhythm, not stacked voids) —— */
body.page-stone-tea-tray .stt-mt-block { margin-top: var(--stt-y-block); }
body.page-stone-tea-tray .stt-mt-md { margin-top: var(--space-md); }
body.page-stone-tea-tray .stt-mt-sm { margin-top: var(--space-sm); }

@media (max-width: 39.99rem) {
  body.page-stone-tea-tray {
    --stt-display: clamp(2.25rem, 10vw, 2.85rem);
    --stt-statement-size: clamp(1.5rem, 7vw, 2rem);
  }

  body.page-stone-tea-tray .stt-media-slot__meta {
    max-width: none;
  }

  body.page-stone-tea-tray .stt-choose > li {
    grid-template-columns: 1fr;
  }

  body.page-stone-tea-tray .stt-nature {
    grid-template-columns: 1fr 1fr;
  }
}